Hi gurus,
I like zpool iostat and I like system monitoring, so I setup a script
within sma to let me get the zpool iostat figures through snmp.
The problem is that as zpool iostat is only run once for each snmp
query, it always reports a static set of figures, like so:
[EMAIL PROTECTED]:snmp # zpool iostat -v
capacity operations bandwidth
pool used avail read write read write
---------- ----- ----- ----- ----- ----- -----
tank 443G 1.60T 4 4 461K 467K
raidz1 443G 1.60T 4 4 461K 467K
c1t0d0 - - 1 2 227K 234K
c1t1d0 - - 1 2 228K 234K
c2t0d0 - - 1 2 227K 234K
---------- ----- ----- ----- ----- ----- -----
Whereas if I run it an interval, the figures even out after a few
seconds. What I'm wondering is: Is there any way to get iostat to report
accurate figures from a one time invocation?
Alternatively is there a better way to get read/write ops etc from my
pool for monitoring applications?
I would really love if monitoring zfs pools from snmp was better all
round, but I'm not going to reel off my wish list here at this point ;)
Thanks
Matt
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